{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T07:46:04Z",
    "providers": [
      "Claude"
    ],
    "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify",
    "pass": 2,
    "wave": 1,
    "engine": "claude",
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-05T16:30:00Z",
      "ingestedAt": "2026-10-05T13:22:59+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "revisions": [
      {
        "at": "2026-10-07T11:41:50+00:00",
        "engine": "codex",
        "fields": [
          "definition",
          "distinguishing_features"
        ],
        "answering_review": "e4e828ac4f189b16c3400edecec0e4778da98c1f3031618ecfea89f512530e07"
      }
    ],
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T12:16:35+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q927407",
    "registryId": "vr.tr.sulfide-class-of-minerals",
    "name": "sulfide class of minerals",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.MAT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q927407/",
  "model": {
    "registry_id": "vr.tr.sulfide-class-of-minerals",
    "name": "sulfide class of minerals",
    "purpose": "Let an agent handle sulfide minerals by composition, group, properties, occurrence and hazards.",
    "definition": "Class 2 in the ninth edition of the Nickel-Strunz mineral classification comprises sulfides and sulfosalts together with related minerals such as selenides, tellurides and arsenides; examples include pyrite, galena, sphalerite and chalcopyrite, and many members are important metal ores; sulfur-bearing members include minerals with sulfide ions and minerals such as pyrite with disulfide units.",
    "what_it_is_for": "Major ores of copper, lead, zinc, nickel and other metals.",
    "affordances": [
      "identify by properties",
      "classify under Strunz or Dana",
      "assess ore deposits",
      "manage acid mine drainage"
    ],
    "distinguishing_features": [
      "Class membership includes sulfides, sulfosalts and related minerals such as selenides, tellurides and arsenides.",
      "Sulfur-bearing members can contain sulfide ions or disulfide units, as in pyrite.",
      "Members are often metallic and dense.",
      "Many members are major ore minerals.",
      "Oxidation of sulfide minerals can form acid drainage."
    ],
    "appearance": "Often metallic, dense, brassy, grey or black crystals.",
    "visual_identification": [
      "Metallic lustre",
      "High density",
      "Group names such as thiospinel or linnaeite group"
    ],
    "physical_properties": [
      {
        "quantity": "Mineral density",
        "unit": "g/cm3",
        "typical_range": "",
        "note": "Determine density from specimen mass and volume because values differ substantially between mineral species."
      },
      {
        "quantity": "Scratch hardness",
        "unit": "Mohs scale",
        "typical_range": "",
        "note": "Determine hardness by comparison with reference minerals on a suitable surface because the class has no single characteristic hardness."
      },
      {
        "quantity": "Electrical resistivity",
        "unit": "ohm m",
        "typical_range": "",
        "note": "Measure resistivity under specified temperature and crystal orientation because conductivity varies with composition and structure."
      }
    ],
    "families_and_kinds": [
      "simple sulfides such as galena",
      "disulfides such as pyrite",
      "thiospinels",
      "tellurides and selenides (related)",
      "sulfosalts"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "mineral",
        "why": "category"
      },
      {
        "relation": "is a source of",
        "target": "metal ores",
        "why": "use"
      },
      {
        "relation": "is classified by",
        "target": "Strunz and Dana systems",
        "why": "classification"
      },
      {
        "relation": "causes",
        "target": "acid mine drainage",
        "why": "hazard"
      }
    ],
    "identifiers": [
      {
        "scheme": "Strunz class",
        "value_or_pattern": "2 (sulfides and sulfosalts)",
        "note": "classification"
      },
      {
        "scheme": "IMA mineral symbol",
        "value_or_pattern": "approved symbols",
        "note": "mineral names"
      }
    ],
    "standards_and_regulation": [
      "IMA mineral nomenclature",
      "Mining waste and water discharge regulations"
    ],
    "failure_modes_and_hazards": [
      "Acid mine drainage",
      "Toxic metals such as arsenic and mercury",
      "Dust in handling"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Identify sulfide minerals and report their properties and associated metals.",
        "Explain their role as ores and in acid mine drainage."
      ],
      "must_not": [
        "Advise handling or heating sulfide minerals without warning of toxic fumes or dust.",
        "Help mine or trade minerals illegally or from conflict areas.",
        "Downplay pollution from sulfide waste."
      ],
      "requires_human": [
        "Approving disposal of sulfide-rich mine waste."
      ]
    },
    "ethics": {
      "considerations": [
        "Sulfide mining waste acidifies rivers for generations.",
        "Mining communities bear the harm while profits flow elsewhere."
      ],
      "affected_parties": [
        "Mining communities",
        "Workers",
        "Rivers and ecosystems"
      ]
    },
    "owners": {
      "steward": "The mineral rights holder, usually the state or landowner under mining law.",
      "master_systems": [
        "Mining cadastres",
        "Mineral databases such as the IMA list of minerals"
      ]
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q927407: sulfide class of minerals",
      "url": "https://www.wikidata.org/wiki/Q927407",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Sulfide mineral",
      "url": "https://en.wikipedia.org/wiki/Sulfide_mineral",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "identity",
        "name": "Identity",
        "description": "Which mineral.",
        "rationale": "Composition defines it.",
        "layers": [
          {
            "id": "formula",
            "name": "Formula",
            "description": "Composition.",
            "findings": [
              {
                "id": "formula-finding",
                "name": "Formula",
                "description": "Composition.",
                "questions": [
                  {
                    "text": "What is its chemical formula?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which group does it belong to?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "properties",
            "name": "Properties",
            "description": "Identification.",
            "findings": [
              {
                "id": "properties-finding",
                "name": "Properties",
                "description": "Identification properties.",
                "questions": [
                  {
                    "text": "What are its lustre, hardness, streak and density?",
                    "kind": "measurement"
                  },
                  {
                    "text": "How is it confirmed, for example by XRD?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "occurrence",
        "name": "Occurrence",
        "description": "Where found.",
        "rationale": "Deposits matter.",
        "layers": [
          {
            "id": "deposits",
            "name": "Deposits",
            "description": "Ore bodies.",
            "findings": [
              {
                "id": "deposits-finding",
                "name": "Deposits",
                "description": "Deposits.",
                "questions": [
                  {
                    "text": "In which deposit types does it occur?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which localities are notable?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "ore",
            "name": "Ore",
            "description": "Metal content.",
            "findings": [
              {
                "id": "ore-finding",
                "name": "Ore",
                "description": "Ore value.",
                "questions": [
                  {
                    "text": "Which metal does it supply?",
                    "kind": "definition"
                  },
                  {
                    "text": "What grade is typical?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "environment",
        "name": "Environment",
        "description": "Impacts.",
        "rationale": "Sulfides can pollute.",
        "layers": [
          {
            "id": "drainage",
            "name": "Drainage",
            "description": "Acid water.",
            "findings": [
              {
                "id": "drainage-finding",
                "name": "Drainage",
                "description": "Acid mine drainage.",
                "questions": [
                  {
                    "text": "Could exposure produce acid mine drainage?",
                    "kind": "boundary"
                  },
                  {
                    "text": "How is it managed?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "toxic",
            "name": "Toxic elements",
            "description": "Arsenic and mercury.",
            "findings": [
              {
                "id": "toxic-finding",
                "name": "Toxic",
                "description": "Toxic elements.",
                "questions": [
                  {
                    "text": "Does it contain toxic elements?",
                    "kind": "boundary"
                  },
                  {
                    "text": "How should specimens be handled?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "collecting",
        "name": "Collecting",
        "description": "Specimens.",
        "rationale": "Collectors value sulfides.",
        "layers": [
          {
            "id": "care",
            "name": "Care",
            "description": "Storage.",
            "findings": [
              {
                "id": "care-finding",
                "name": "Care",
                "description": "Specimen care.",
                "questions": [
                  {
                    "text": "How should specimens be stored to prevent decay?",
                    "kind": "action"
                  },
                  {
                    "text": "Why does pyrite decay?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "law",
            "name": "Law",
            "description": "Collecting rules.",
            "findings": [
              {
                "id": "law-finding",
                "name": "Law",
                "description": "Collecting rules.",
                "questions": [
                  {
                    "text": "Is collecting allowed at this site?",
                    "kind": "boundary"
                  },
                  {
                    "text": "Who owns the minerals?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should mineral groups be separate entries?",
    "How should IMA data be linked?",
    "How should ore deposits be linked?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}